. >> first, senator chuck hagel could face some opposition from both sides of the aisle. it's monday, january 7th. >> from abc news, this is "world news now." >>> good morning, everybody. i'm rob nelson. happy monday. >> i'm sunny hostin in for paula faris. and chuck hagel, we hear, is likely to face tough confirmation questions on everything from israel to iran. we'll hear why in just a moment. >> nothing comes easy on capitol hill. another battle, add it to the list. >>> also this half hour, the gun battle being waged across the country. after the newtown massacre, some gun shows are flooded by people